Commonly discussed · Recipe

Cognitive DuoLive data

Discussed for focus + calm

A recipe: 2 compounds bought separately. Below is every vendor and price for each part, and the cheapest way to assemble the whole thing. A commonly discussed research combination — not a protocol, not a dose, not a recommendation.

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Lowest combined

$38

Cheapest listing of each component, added up.

Cheapest tested

$76

Each vendor's own vial carries a lab test.

Median combined

$106

Typical market price of each component, added up.

Vendors

Distinct vendors selling at least one of the 2 components.

Assemble it

Cheapest way to buy this stack

Two answers per component: the cheapest listing on the market, and the cheapest whose vendor’s own vial carries a lab test. VialGrade hands you to the vendor; it never sells.

Component	Cheapest listing	Cheapest with a lab test
Semax 20 vendors · median $60	$19 Semax 1 vial Eternal Peptides Compound: 9 COAs	$40 Semax 1 vial Chameleon Peptides Independently tested
Selank 19 vendors · median $46	$19 Selank 1 vial Eternal Peptides Compound: 7 COAs	$36 Selank 1 vial Chameleon Peptides Independently tested
Combined	$38	$76

Cognitive & Mood

Semax · SMX

Independently tested · 99.3% median tested purity

Every Semax listing

N-ACETYL SEMAX AMIDATE PEPTIDE LIQUID SPRAY 15ML BOTTLE 90 Milligrams Liquid Spray Umbrella LabsC-

$100

$1.11/mg

Compound: 9 COAs

-68% vs median/mg Too cheap?

LiveIn stockChecked 2 days ago

Semax Peptide 30mg Nootropic SourceC-

$35

$1.17/mg

Vendor flagged

-67% vs median/mg Too cheap?

LiveIn stockChecked 9 hours ago

Semax Spray 600mcg+ per spray (10mL bottle @ 6mg per mL)Nootropic SourceC-

$70

$1.17/mg

Vendor flagged

-67% vs median/mg Too cheap?

LiveIn stockChecked 9 hours ago

Cognitive & Mood

Selank · SLK

Independently tested · 99.6% median tested purity

Every Selank listing

SELANK PEPTIDE LIQUID SPRAY 15ML BOTTLE 60 Milligrams Liquid Spray Umbrella LabsC-

$66

$1.10/mg

Compound: 7 COAs

-76% vs median/mg Too cheap?

LiveIn stockChecked 2 days ago

N-ACETYL SELANK AMIDATE PEPTIDE LIQUID SPRAY 15ML BOTTLE 90 Milligrams Liquid Spray Umbrella LabsC-

$100

$1.11/mg

Compound: 7 COAs

-76% vs median/mg Too cheap?

LiveIn stockChecked 2 days ago

Selank Peptide 30mg Nootropic SourceC-

$35

$1.17/mg

Live

Discussed for satiety research

$280 median combined

CagrilintideSemaglutide

Commonly discussed research combination — not a protocol.

Stacks on VialGrade are combinations the research community discusses. Nothing here is a protocol, a dose, a schedule, or a suggestion to use anything — the page exists so the cost and evidence of each part can be compared honestly across vendors.